The cheapest times to fly from IAD to RUH are

  • January 15th to May 13th (except the weeks of February 19th and March 5th)
  • September 3rd to December 2nd (except the weeks of November 5th and November 19th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from IAD to RUH is late September. Prices can be as high as $1594 for Saturday flights during early to mid August, or as low as $863 for Tuesday flights around late September.


When to Fly to Riyadh

Flying from Washington, DC (IAD) to Riyadh (RUH) will usually cost between $892 to $1379 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late September with an average ticket price of $932. Due to high demand the most expensive time to fly is early to mid August, with an average price of $1394. Planning your trip to low-cost times can easily save you $463 on economy flights and even more on first-class flights. Generally, any price below $986 can be considered a good price for a round-trip IAD to RUH flight.

See below for a graph of average weekly prices for the IAD to RUH route. All prices are for round-trip tickets in USD.

IAD to RUH Flight Prices

Compared to other flights, the IAD to RUH flight is priced close to the average and costs less than the average flight leaving from Washington. The average price per mile (for a direct flight) is $0.09, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to RUH, and Wednesday the cheapest day to fly back into IAD. Saturdays are the most expensive days to fly to Riyadh, and Fridays are the most expensive days to return to Washington. Selecting flights on the least expensive days could save you up to $150 (13%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $966. Return trip prices are from the RUH to IAD flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from IAD to RUH can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 13 hour 6 minutes may be realistic.


Flight Hacking IAD to RUH

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from IAD to RUH — but Champion Traveler does!

Hack #1: Dammam (IAD > DMM > RUH)

  • Price for both tickets: $943
  • Average savings: $43 (4.36%)

See IAD to DMM flights


Flight Questions Answered

Still have questions about flying from IAD to RUH? We’ve got answers.

Which airlines fly this route?

You can find 27 major airlines flying this route most often: Aer Lingus, Aeroflot, Air Canada, Air France, Air India, Alitalia, American, Austrian, British Airways, Brussels Airlines, Delta, EgyptAir, Emirates, Ethiopian, Etihad, Finnair, Gulf Air, Iberia, KLM, Lufthansa, MEA, Royal Air Maroc, Saudia, SWISS, Turkish Airlines, United, Virgin Atlantic, and potentially more during busy seasons.

How far away is it from King Khalid International Airport to Washington Dulles International Airport?

The distance between the two airports is roughly 6736 miles or 10841 kilometers.

How long does it take to fly from IAD to RUH?

The real-world flight time for a nonstop IAD to RUH flight is about 13 hour 6 minutes.

How many flights go between Washington, DC and Riyadh?

It depends on the day of the week and the date, but a typical day might have around 55 available flights from IAD to RUH.


Airport Location Info


Departing Airport

Origination code IAD
Origination airport name Washington Dulles International Airport
City Washington, DC
Country the United States
Latitude 38.9
Longitude -77.5

Return Airport

Destination code RUH
Destination airport name King Khalid International Airport
City Riyadh
Country Saudi Arabia
Latitude 25
Longitude 46.7


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.